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Lignin deposition and synthesis in the internodes during barley (Hordeum vulgare L.) development (CROSBI ID 630478)

Prilog sa skupa u zborniku | sažetak izlaganja sa skupa | međunarodna recenzija

Begović, Lidija ; Leljak-Levanić, Dunja ; Lepeduš, Hrvoje ; Cesar, Vera Lignin deposition and synthesis in the internodes during barley (Hordeum vulgare L.) development // 2nd International Conference on Plant Biology ; 21st Symposium of the Serbian Plant Physiology Society ; COST Action FA1106 QualityFruit Workshop / Uzelac, Branka (ur.). Beograd: Serbian Plant Physiology Society ; Institute for Biological Research Siniša Stanković ; Biološki fakultet Univerziteta u Beogradu, 2015. str. 40-40

Podaci o odgovornosti

Begović, Lidija ; Leljak-Levanić, Dunja ; Lepeduš, Hrvoje ; Cesar, Vera

engleski

Lignin deposition and synthesis in the internodes during barley (Hordeum vulgare L.) development

In monocotyledons, especially grasses (Poaceae), process of lignification is still unexplored in many of its aspects. Lignin deposition in cell wall is temporally and spatially specific and differs between species and tissues. The aim of this study was to investigate the dynamics of lignin synthesis and deposition, by using anatomical, physiological and molecular approach, in the stem of three spring barley cultivars (Hordeum vulgare L.) during four developmental stages: heading, anthesis, grain filling and ripening. Lignin localization and histochemical changes related to lignin deposition, total lignin content and gene expression of cinnamoyl CoA reductase (HvCCR) and cinnamyl alcohol dehydrogenase (HvCAD) was studied. Analyses showed that most of the lignin was deposited in the sclerenchyma ring in all three internodes. Total lignin content increased with stem development, especially in the first internodes and was the highest in ripening, but it was also relative to the cultivar and developmental stage. Genes of the lignin biosynthetic pathways HvCCR showed the highest expression in anthesis in the third internode of all three cultivars whereas gene HvCAD, in cultivars Astor and Scarlett, showed highest expression in anthesis and in cultivar Jaran in heading stage. Results obtained in this study will contribute to the comprehensive description of the biochemical and molecular changes that accompany lignin deposition in the cell wall during barley development.

lignin; barley; CCR; CAD

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Podaci o prilogu

40-40.

2015.

objavljeno

Podaci o matičnoj publikaciji

2nd International Conference on Plant Biology ; 21st Symposium of the Serbian Plant Physiology Society ; COST Action FA1106 QualityFruit Workshop

Uzelac, Branka

Beograd: Serbian Plant Physiology Society ; Institute for Biological Research Siniša Stanković ; Biološki fakultet Univerziteta u Beogradu

978-86-912591-3-6

Podaci o skupu

2nd International Conference on Plant Biology ; 21st Symposium of the Serbian Plant Physiology Society ; Cost Action FA1106 Qualityfruit Workshop

predavanje

17.06.2015-20.06.2015

Srbija

Povezanost rada

Biologija